poultry house exhaust fan/ventilation fan

Description

ventilating fan series are designed scientifically. 

Low cost, low noise, good ventilation effect, strong air flow, energy saving, long lasting and high efficiency. 

The stainless steel kinds are waterproof and dustproof effects.

By pumping the air with negative pressure, the fan circulates the air indoor and outdoor, and drive out the heat in the workshop.

Ventilating fan is applicable for these areas: 

1. Industrial field: textile, clothes making, glass, rubber, food processing, etc.

2. Civil field: super markets, cyber club, big dinning hall, waiting room etc.

3. Agriculture field: large farms, green houses, animal houses etc.

The model:9FJ-A/B:
9FJ-A:the common style,shutters open with the wind when the fan works.
9FJ-B,hammer style:the heavy hammer at the bottom of fan make the shutters open up when the fan works,energy saving.
9FJ-B,push-pull style:the centrifugal system make the shutter open and close freely,energy saving and protect the blades from dust.

Popular used for poultry house ventilation.